Aurora kinases as targets for cancer therapy

Giannis Mountzios1, Evangelos Terpos, Meletios-Athanassios Dimopoulos

  • 1Department of Medical Oncology, 251 General Airforce Hospital, Athens, Greece. gmountzios@med.uoa.gr

Cancer Treatment Reviews
|November 21, 2007
PubMed

Insights

Aurora kinases are crucial for cell division and are often overexpressed in cancers. Inhibiting these kinases shows promise as a new anticancer therapy, with several drugs in clinical trials.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Oncology

Background:

  • Aurora kinases are serine/threonine kinases essential for mitotic spindle assembly and cell division.
  • Overexpression of Aurora kinases is observed in various tumor cell lines, implicating them in tumorigenesis.
  • These kinases regulate critical processes like centrosome duplication, separation, and cytokinesis.

Purpose of the Study:

  • To provide a comprehensive overview of Aurora kinases as molecular targets for anticancer therapy.
  • To discuss their physiological role in mitosis and implications in oncogenesis.
  • To review pre-clinical and clinical studies of Aurora kinase inhibitors.

Main Methods:

  • Review of existing literature on Aurora kinase biology and inhibitors.
  • Analysis of pre-clinical data supporting Aurora kinase inhibitors.
  • Summary of ongoing phase I and II clinical trials for Aurora kinase inhibitors.

Main Results:

  • Inhibition of Aurora kinase activity can lead to mitotic arrest and cell death.
  • Aurora kinase inhibitors have demonstrated acceptable toxicity profiles and promising efficacy in early clinical trials.
  • Extensive pre-clinical evidence supports their development for specific tumor types.

Conclusions:

  • Aurora kinases represent a promising target for novel anticancer therapies.
  • Further development of Aurora kinase inhibitors is warranted based on current pre-clinical and clinical data.
  • Understanding their role in mitosis and oncogenesis is key to optimizing therapeutic strategies.

Related Concept Videos

Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against specific...
M-Cdk Drives Transition Into Mitosis02:15

M-Cdk Drives Transition Into Mitosis

Checkpoints throughout the cell cycle serve as safeguards and gatekeepers, allowing the cell cycle to progress in favorable conditions and slow or halt it in problematic ones. This regulation is known as the cell cycle control system.
Cyclin-dependent kinases, or Cdks, work in concert with cyclins to control cell cycle transitions. M-Cdk, a complex of Cdk1 bound to M cyclin, is a well-known example of this coordinated control that drives the transition from the G2 to the M phase.
M cyclin...
mTOR Signaling and Cancer Progression03:03

mTOR Signaling and Cancer Progression

The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...
mTOR Signaling and Cancer Progression03:03

mTOR Signaling and Cancer Progression

The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...
Inhibition of Cdk Activity02:34

Inhibition of Cdk Activity

The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be restricted when undergoing abnormal changes. Most cancers correlate to the deregulated cell cycle, and since Cdks are a central component of the cell cycle, Cdk inhibitors are extensively studied to develop anticancer agents. For instance, cyclin D associates with several Cdks, such as Cdk 4/6, to form an active complex. The cyclin D-Cdk4/6 complex...